National Museum of Nuclear Science & History
N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Litton worked at the 300 Area at Hanford during the Manhattan Project.
M. R. Nason worked for the Union Carbide & Carbon Corporation.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William McCord, Jr. worked for the United States Engineer District Office.